Okumura had been interested in Yuna, the mother of his friend Kota, for some time. One day, when Okumura stayed over at Kota's house, he drugged Yuna to sleep, stripped her naked, and took photos with his phone. Later, when Okumura was caught rummaging through Yuna's underwear in her room, he threatened her by showing the obscene pictures and then proceeded to assault the body of his friend's mother whom he had once admired. After that, Yuna's bra was confiscated, and every day she was forced to have her beautiful breasts fondled…
